Volume 52, Issue 109, April 2006, Pages 113-143
M.A. MOUSTAFA; U.A. SHARF EL DIN; S.A. SABER; A.S. SULTAN
Volume 52, Issue 109, April 2006, Pages 144-164
M.A. MOUSTAFA
Volume 6, Issue 11.12, January 1979, Pages 47-59
Y.L. AWAD; M.T. FOUAD; N. GAZIA; M.A. MOUSTAFA